The Canon EF 24mm f/2.8 IS USM is a new wide-angle prime lens. Boasting built-in image stabilisation and fast and quite auto-focusing, the EF 24mm f/2.8 IS USM is a more affordable but still very capable alternative to Canon's professional wide-angle primes. Read our in-depth Canon EF 24mm f/2.8 IS USM review complete with full-size sample images.

The Canon EF 28mm f/2.8 IS USM is a new wide-angle prime lens. Boasting built-in image stabilisation and fast and quite auto-focusing, the EF 28mm f/2.8 IS USM is a more affordable but still very capable alternative to Canon's professional wide-angle primes. Read our in-depth Canon EF 28mm f/2.8 IS USM review complete with full-size sample images.

The Sigma 35mm F1.4 DG HSM is a moderate wide-angle lens in the full-frame format, or a fast standard prime when mounted on an APS-C body. The 35mm f/1.4 features 13 optical elements in seven groups with one aspherical lens element and a HSM focusing system which provides quiet, smooth and fast autofocus with full-time manual focus override. Retailing for £799 / $899, read our expert Sigma 35mm F1.4 DG HSM review to find out if it's a worthy alternative to the Canon, Nikon and Sony equivalents.